SOLUTION: A batch contains 25 parts of which there are discoloured. There are drawn without replacement. Because of the small batch size, the second and the third draws are dependent on what
Algebra ->
Probability-and-statistics
-> SOLUTION: A batch contains 25 parts of which there are discoloured. There are drawn without replacement. Because of the small batch size, the second and the third draws are dependent on what
Log On
Question 766482: A batch contains 25 parts of which there are discoloured. There are drawn without replacement. Because of the small batch size, the second and the third draws are dependent on what happened before. Find the following probabilities?
a.)one discoloured in the three
b.)Probability that two discolored in the three Answer by stanbon(75887) (Show Source):